a=1234
print(a)
print("--------------------")
b=30
print(b)
# 将b的值加上5，然后将结果再次存储到b中
b+=5
print(b)
b-=10
print(b)
b*=2
print(b)
b/=5
print(b)

c=100
print(c)
c//=4
print(c)
c%=8
print(c)
c**=3
print(c)